Opossums are generally considered a nuisance. Although they’re harmless and rarely carry rabies, opossums carry fleas that can infest indoor pets. Fleas from dead opossums with nothing to feed on can migrate deeper into living spaces; even flea larvae (which don’t need blood) can continue feeding on debris in hidden opossum nests until reaching maturity, at which point adult fleas will seek out new food sources.
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